AP Psych Unit 1

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Across
  1. 2. A nerve cell that sends and receives information
  2. 5. A spiral structure in the inner ear involved in hearing
  3. 9. Branchlike parts of a neuron that receive messages
  4. 10. A stage of sleep associated with vivid dreams and rapid eye movement
  5. 12. Surroundings and experiences that influence behavior
  6. 13. A sleep disorder involving difficulty falling or staying asleep
  7. 14. A brain structure important for overcoming new memories
  8. 15. The light-sensitive layer at the back of the eye
  9. 18. Genetic traits passed down from parents
  10. 19. A brain structure involved in processing emotions, especially fear
Down
  1. 1. A chemical messenger that carries signals between neurons
  2. 3. The extent to which genetic differences in a trait wthin a population
  3. 4. The brain region responsible for balance and coordination
  4. 5. The part of the nervous system made up of the brain and spinal cord
  5. 6. The body's roughly 24-hour biological cycle
  6. 7. The network of nerves connecting the central nervous system to teh rest of the body
  7. 8. The process of detecting information through sensory receptors
  8. 11. The part of the brain that controls basic survival functions, such as breathing and heartbeat
  9. 16. The part of a neuron that carries impulses away from the body
  10. 17. The body'scommunication network that controls thoughts, feelings, and actions